Radioactivity in the Risø District July-December 2015

Sven Poul Nielsen; Kasper  Grann Andersson; Arne Miller

Radioactivity in the Risø District July-December 2015

Sven Poul Nielsen, Kasper Grann Andersson, Arne Miller

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Abstract

The environmental surveillance of the Risø environment was continued in July-December 2015. The mean concentrations in air were: 0.24±0.18 μBq m^–3 of ¹³⁷Cs, 2.71±0.88 mBq m^–3 of ⁷Be and 0.28±0.20 mBq m^–3 of ²¹⁰Pb (±1 S.D.). The depositions by precipitation at Risø in the second half of 2015 were: 0.085±0.011 Bq m^–2 of ¹³⁷Cs, 607±30 Bq m^–2 of ⁷Be, 59.6±4.2 Bq m^–2 of ²¹⁰Pb and 1.4±0.2 kBq m^–2 of ³H. The average background dose rate (TLD) at Risø (Zone I) was measured as 42 nSv h^–1 compared with 40 ± 2 nSv h^–1 (±1 S.D.) in the four zones around Risø.

Original language	English

Publisher	DTU Nutech
Number of pages	26
ISBN (Electronic)	978-87-997857-3-5
Publication status	Published - 2016

Series	DTU-Nutech-R
Number	13(EN)

Keywords

DTU-Nutech-13(EN)
DTU-Nutech-13
DTU-Nutech-R-13
DTU-Nutech-R-13(EN)

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Halv rsrapport Juni 2016 2 Final published version, 1.1 MB

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title = "Radioactivity in the Ris{\o} District July-December 2015",

abstract = "The environmental surveillance of the Ris{\o} environment was continued in July-December 2015. The mean concentrations in air were: 0.24±0.18 μBq m–3 of 137Cs, 2.71±0.88 mBq m–3 of 7Be and 0.28±0.20 mBq m–3 of 210Pb (±1 S.D.). The depositions by precipitation at Ris{\o} in the second half of 2015 were: 0.085±0.011 Bq m–2 of 137Cs, 607±30 Bq m–2 of 7Be, 59.6±4.2 Bq m–2 of 210Pb and 1.4±0.2 kBq m–2 of 3H. The average background dose rate (TLD) at Ris{\o} (Zone I) was measured as 42 nSv h–1 compared with 40 ± 2 nSv h–1 (±1 S.D.) in the four zones around Ris{\o}.",

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T1 - Radioactivity in the Risø District July-December 2015

AU - Nielsen, Sven Poul

AU - Andersson, Kasper Grann

AU - Miller, Arne

PY - 2016

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N2 - The environmental surveillance of the Risø environment was continued in July-December 2015. The mean concentrations in air were: 0.24±0.18 μBq m–3 of 137Cs, 2.71±0.88 mBq m–3 of 7Be and 0.28±0.20 mBq m–3 of 210Pb (±1 S.D.). The depositions by precipitation at Risø in the second half of 2015 were: 0.085±0.011 Bq m–2 of 137Cs, 607±30 Bq m–2 of 7Be, 59.6±4.2 Bq m–2 of 210Pb and 1.4±0.2 kBq m–2 of 3H. The average background dose rate (TLD) at Risø (Zone I) was measured as 42 nSv h–1 compared with 40 ± 2 nSv h–1 (±1 S.D.) in the four zones around Risø.

AB - The environmental surveillance of the Risø environment was continued in July-December 2015. The mean concentrations in air were: 0.24±0.18 μBq m–3 of 137Cs, 2.71±0.88 mBq m–3 of 7Be and 0.28±0.20 mBq m–3 of 210Pb (±1 S.D.). The depositions by precipitation at Risø in the second half of 2015 were: 0.085±0.011 Bq m–2 of 137Cs, 607±30 Bq m–2 of 7Be, 59.6±4.2 Bq m–2 of 210Pb and 1.4±0.2 kBq m–2 of 3H. The average background dose rate (TLD) at Risø (Zone I) was measured as 42 nSv h–1 compared with 40 ± 2 nSv h–1 (±1 S.D.) in the four zones around Risø.

KW - DTU-Nutech-13(EN)

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KW - DTU-Nutech-R-13

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